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Fahim Montasir

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โˆ™ 2021-04-14 04:48:31
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โˆ™ 2016-05-26 16:55:59

Electronegativity values are useful in determining if a bond is to be classified as nonpolar covalent, polar covalent or ionic. The electronegativities of oxygen and nitrogen are respectively, 3.44 and 3.04 on the Pauling scale, the electronegativity difference being, 0.4. This is a very small difference and the bond is only very slightly polar, sometimes even considered non-polar. One should make the distinction between a polar/nonpolar BOND, and a polar/nonpolar molecule. You can have a polar bond, such as those in CCl4, but the molecule is non polar because of the molecular geometry and the fact that the 4 chloride atoms cancel each other. NO not only has a polar bond, but the molecule itself is also polar.

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Sagar Rane

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โˆ™ 2020-04-20 13:13:26

If the difference in electronegativity for the atoms in a bond is greater than 0.4, we consider the bond polar. If the difference in electronegativity is less than 0.4, the bond is essentially nonpolar.) If there are no polar bonds, the molecule is nonpolar.

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Q: Is NO a polar molecule
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